How does digoxin exert an inotropic effect on the myocardium?
a. By reversibly inhibiting the Na+/K+-ATPase pump
b. By stimulating the vagus nerve
c. By increasing extracellular sodium concentrations
d. By pumping calcium out of the cell
ANS: A
Health Professions
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Which of the following types of physical examinations does not allow the combination of body areas and organ systems?
a. Problem focused b. Expanded problem focused c. Detailed d. Comprehensive
Health Professions
During the formation of a tooth, connective tissue will form an enclosed area within which dentin, cementum, and pulp form. What is the name of this enclosed area?
a. Dental lamina b. Dental sac c. Lamina dura d. None of the above
Health Professions